(19)

(11)

EP 3 631 988 A1

(12)

(43) Date of publication: 08.04.2020 Bulletin 2020/15 (21) Application number: 18732908.1 (22) Date of filing: 25.05.2018

(51) International Patent Classification (IPC):  H03L 7/08(2006.01) H03L 7/16(2006.01) H03L 7/085(2006.01) H03L 7/199(2006.01) (86) International application number: PCT/IB2018/053755 (87) International publication number: WO 2018/215991 (29.11.2018 Gazette 2018/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 25.05.2017 IT 201700057049 (71) Applicant: Fondazione Istituto Italiano di Tecnologia 16163 Genova (IT)	(72) Inventors: CREPALDI, Marco 13900 Biella (IT) ANGOTZI, Gian Nicola 16159 Genova (IT) BERDONDINI, Luca 16128 Genova (IT) (74) Representative: Spalla, Pietro et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)